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Author Topic: Are there any real photos of atoms?  (Read 6673 times)

Offline latebind

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Are there any real photos of atoms?
« on: 16/03/2009 17:55:47 »
Found some photos on the internet, most look fake.

Anyone know any legitimate photography sites?


 

Offline JP

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Are there any real photos of atoms?
« Reply #1 on: 16/03/2009 19:01:37 »
Do you mean photographs like the kind you take with a normal camera?  Those form an image based on the optical light bouncing off the object.  You can't do this with atoms because they're so small.  You can take "pictures" using electrons, which have much better resolution than optical light.  The pictures look a little weird since our eyes don't see in electrons.  The data has to be converted into something we can understand.  An example of atoms imaged by an electron microscope is here:
 

Offline Soul Surfer

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Are there any real photos of atoms?
« Reply #2 on: 16/03/2009 20:33:03 »
I agree atoms can never be imaged using normal likgt because the wavelength is far to long.


Atoms have also been imaged using an atomic force microscope but in that case its more like feeling them as lumps on a surface with a fine probe.  IBM scientists also managed to move them about and write their name in atoms.

See   http://www.nowpublic.com/tech-biz/1989-i-b-m-spelled-xenon-atoms

For details 

Try googling things like   +"IBM" +atoms  +surface  to see  more

Atoms are also imaged using x ray diffraction and it is suggested even electons have now been imaged in their orbitals using very brief pulses of Xrays.
« Last Edit: 16/03/2009 20:39:50 by Soul Surfer »
 

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Are there any real photos of atoms?
« Reply #2 on: 16/03/2009 20:33:03 »

 

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